*{padding: 0; margin: 0;}
ul,li{
    list-style: none;
}

.container{
    width: 800px;
    margin: 100px auto;
    display: flex;
}

.container .wraper-l{
    margin-right: 20px;
}

.container .wraper-l ul{
    display: flex;
    justify-content: space-between;
}

.container .wraper-l .show-box{
    position: relative;
    width: 350px;
    height: 350px;
}
.container .wraper-l .show-box .mask{
    position: absolute;
    left: 0;
    top:0;
    width: 150px;
    height: 150px;
    background-color: rgba(255, 255, 0,.4);
    pointer-events: none;
}

.container .wraper-r{
    position: relative;
    width: 400px;
    height: 400px;
    /* border: 1px solid blue; */
    overflow: hidden;
}
.container .wraper-r img{
    position: absolute;
    top: 0;
    left: 0;
}


